Make the example compositor build a non default build option

meson.build

@@ -135,6 +135,8 @@ have_x11 = true
 have_xwayland = have_wayland # for now default to have_wayland
 have_x11_client = have_x11 or have_xwayland
 
+example_wm = get_option('with_example_wm')
+
 if have_xwayland and not have_wayland
   error('XWayland support requires Wayland support enabled')
 endif
@@ -642,7 +644,9 @@ subdir('tools')
 subdir('src')
 subdir('po')
 
-subdir('doc/man')
+if example_wm
+  subdir('doc/man')
+endif
 if have_documentation
   subdir('doc/reference')
 endif

meson_options.txt

@@ -224,3 +224,9 @@ option('with_shared_components',
   value: false,
   description: 'Build components that are shared with Mutter'
 )
+
+option('with_example_wm',
+  type: 'boolean',
+  value: false,
+  description: 'Build example window manager'
+)

src/meson.build

@@ -1096,20 +1096,21 @@ libmutter_dep = declare_dependency(
   ],
 )
 
-mutter = executable('magpie',
-  sources: [
-    files('core/mutter.c'),
-  ],
-  include_directories: mutter_includes,
-  c_args: [
-    mutter_c_args,
-    '-DG_LOG_DOMAIN="magpie"',
-  ],
-  dependencies: [libmutter_dep],
-  install_dir: bindir,
-  install: true,
-)
-if have_x11
+if example_wm
+  mutter = executable('magpie',
+    sources: [
+      files('core/mutter.c'),
+    ],
+    include_directories: mutter_includes,
+    c_args: [
+      mutter_c_args,
+      '-DG_LOG_DOMAIN="magpie"',
+    ],
+    dependencies: [libmutter_dep],
+    install_dir: bindir,
+    install: true,
+  )
+
   executable('magpie-restart-helper',
     sources: [
       files('core/restart-helper.c'),
@@ -1184,7 +1185,9 @@ pkg.generate(libmutter,
   install_dir: pcdir,
 )
 
-subdir('compositor/plugins')
+if example_wm
+  subdir('compositor/plugins')
+endif
 
 if have_core_tests
   subdir('tests')